128938440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 402796800

約数和(自身を除く): 273858360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 73, 82, 120, 123, 146, 164, 205, 219, 246, 292, 328, 359, 365, 410, 438, 492, 584, 615, 718, 730, 820, 876, 984, 1077, 1095, 1230, 1436, 1460, 1640, 1752, 1795, 2154, 2190, 2460, 2872, 2920, 2993, 3590, 4308, 4380, 4920, 5385, 5986, 7180, 8616, 8760, 8979, 10770, 11972, 14360, 14719, 14965, 17958, 21540, 23944, 26207, 29438, 29930, 35916, 43080, 44157, 44895, 52414, 58876, 59860, 71832, 73595, 78621, 88314, 89790, 104828, 117752, 119720, 131035, 147190, 157242, 176628, 179580, 209656, 220785, 262070, 294380, 314484, 353256, 359160, 393105, 441570, 524140, 588760, 628968, 786210, 883140, 1048280, 1074487, 1572420, 1766280, 2148974, 3144840, 3223461, 4297948, 5372435, 6446922, 8595896, 10744870, 12893844, 16117305, 21489740, 25787688, 32234610, 42979480, 64469220, 128938440]

約数ペア:

[(1, 128938440), (2, 64469220), (3, 42979480), (4, 32234610), (5, 25787688), (6, 21489740), (8, 16117305), (10, 12893844), (12, 10744870), (15, 8595896), (20, 6446922), (24, 5372435), (30, 4297948), (40, 3223461), (41, 3144840), (60, 2148974), (73, 1766280), (82, 1572420), (120, 1074487), (123, 1048280), (146, 883140), (164, 786210), (205, 628968), (219, 588760), (246, 524140), (292, 441570), (328, 393105), (359, 359160), (365, 353256), (410, 314484), (438, 294380), (492, 262070), (584, 220785), (615, 209656), (718, 179580), (730, 176628), (820, 157242), (876, 147190), (984, 131035), (1077, 119720), (1095, 117752), (1230, 104828), (1436, 89790), (1460, 88314), (1640, 78621), (1752, 73595), (1795, 71832), (2154, 59860), (2190, 58876), (2460, 52414), (2872, 44895), (2920, 44157), (2993, 43080), (3590, 35916), (4308, 29930), (4380, 29438), (4920, 26207), (5385, 23944), (5986, 21540), (7180, 17958), (8616, 14965), (8760, 14719), (8979, 14360), (10770, 11972)]